"On the eve of the first manned mission to Mars, Secret Agent Jack Stalwart learns that the mission's chief rocket engineer has disappeared. When he finds out that engineer is his father, Jack vows the kidnapper is going to live to regret it. Can Jack keep his cool to save the day?..."p.[4] of cover.

"Fizz has solved his first real case as an undercover police dog, but his next assignment is about to get personal. Two handbag dogs have been kidnapped and now there's another victim: Fizz's sister, Crystal!"--From the publisher's web site.

On a trip to Pennsylvania, presidential stepdaughter KC Corcoran and her friend Marshall are exploring the rest of the train when the special caboose at the back disappears--along with the Vice President.

Otto Pillip, kid racecar driver and undercover agent, embarks on a mission to stop the evil Pruneman, who is trying to hold the world's water supply hostage. Includes words spelled backwards, anagrams, and palindromes.